Google's May 2026 core update finished. Now read your data.

If your Charleston business saw its Google traffic wobble over the last two weeks, that was not your imagination and it was not anything you broke. Google's May 2026 broad core update finished rolling out on June 2, the second confirmed core update of the year. According to Google's own Search Status Dashboard, it started on May 21 and ran for roughly 11 days and 21 hours before completing. Barry Schwartz at Search Engine Roundtable and the team at Search Engine Land both confirmed the wrap on June 2, with Search Engine Land calling it a big one and noting heavy ranking volatility across a lot of verticals.

Here is why that completion date matters more than it sounds. While a core update is still rolling out, your rankings can swing day to day for reasons that have nothing to do with where you will actually land. Google says plainly: do not react while it is in progress, because the signals are still settling. Now that the rollout is done, the positions you see this week are no longer noise. They are the new baseline. For the first time since May 21, the data is worth reading.

What a core update actually is

A broad core update is not a penalty and it is not aimed at any one tactic. Spam updates and product reviews updates target specific things. A core update re-scores everything. Google adjusts how much weight it gives to relevance and quality signals across the board, then re-evaluates the whole web against the new weighting. That is why a roofing company that changed nothing on its site can still gain or lose ground. Danny Sullivan, Google's public liaison for Search, has made this point for years: a core update is a reassessment, not a strike against you.

The practical takeaway for a Charleston service business is that there is no single switch to flip to recover. If a page slipped, the question is not what rule you broke. The question is whether that page genuinely answers the searcher better than the pages that now sit above it.

What to check this week

Pull up Google Search Console for each property and compare two clean windows: the 30 days before May 21 against the days since June 2. Look at impressions, clicks, and average position, and look at them by page and by query, not just as one site-wide line. The site-wide number hides the story. What you are hunting for is the pattern underneath it.

For most Charleston service businesses the split tends to fall along the same line every core update. Informational pages, the "how to tell if your AC is low on refrigerant" or "signs you need a new roof" type of content, are the most exposed. They take the hit from the core update and from AI Overviews at the same time, since Google now answers most of those questions directly on the results page. High intent local pages hold up better. "Emergency plumber Charleston" and "water heater replacement cost Mount Pleasant" still send people to a website because the searcher is ready to act, and an AI summary is not going to fix their burst pipe.

So before you touch anything, sort your losses into those two buckets. A dentist who lost traffic to a generic "what is a root canal" article is in a very different position than one whose "Charleston pediatric dentist" service page dropped off the first page. The first is the slow tide of AI search and calls for a different play. The second is a competitive ranking problem you can actually work.

What to leave alone

The most expensive mistake after a core update is the panic edit. Do not mass delete pages because they dipped this week. Do not rip out content just because it was drafted with AI help. Google's guidance focuses on whether a page is helpful, not on the tool used to write it, and pruning pages that support your topical depth can dig the hole deeper, especially since the next core update may reweight things again. Core updates come in waves. Sites that yo-yo are usually the ones that overcorrect after each one.

Give it a beat. Read the data, find the specific pages that lost real visibility, and audit those on their merits. Does the page actually answer the question better than what now outranks it? Does it show you know Charleston and this trade, or could it have been written for any city in the country?

The local angle that protects you

There is a reason we keep pushing local depth over volume. The Google Business Profile and the local pack run on proximity, relevance, and prominence, and they are less rattled by a broad core update than your blog is. Reviews, accurate hours, real photos, and a profile that gets touched regularly carry weight that an algorithm reweighting does not erase overnight. We wrote about that shift toward review freshness and fast owner replies a few days ago in why fresh Google reviews now beat review count, and a core update week is exactly when that foundation earns its keep. The businesses that get hurt least are the ones whose visibility never depended on a single ranking in the first place.

That is also the case for treating organic search as one channel among several rather than the whole plan. If a Charleston law firm lost some informational traffic this week but its branded searches, its reviews, and its referral pipeline held, the firm is fine. The job is to make sure no client is one ranking away from a quiet phone.

What we are doing for clients

Over the next week we are running the same playbook for every account: define the before and after windows, separate informational losses from local and transactional ones, and bring each client a short read on what actually moved and why. No frantic rewrites. Where a real service page slipped, we audit it against whatever now outranks it and rebuild from there. Where the loss is a generic informational page that AI Overviews swallowed, we decide whether it still earns its place or whether that effort belongs on higher intent local content.

If you have watched your numbers bounce since late May and you are not sure whether it is the core update, AI Overviews, or something on your end, that is exactly the kind of read our Charleston SEO work starts with. The update is done. The data is finally trustworthy again. This is the week to use it.